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Finding the Fourth Proportional to 17,978.33, 24,809.21 and 10,019.07

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Solution

The fourth proportional to 17,978.33, 24,809.21 and 10,019.07 is: 13,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978.33 : 24,809.21 = 10,019.07 : x
  2. Step 2: Convert to fraction form
    17,978.33/24,809.21 = 10,019.07/x
  3. Step 3: Cross multiply
    17,978.33x = 24,809.21 × 10,019.07
  4. Step 4: Simplify right side
    17,978.33x = 248,565,211.63
  5. Step 5: Solve for x
    x = 248,565,211.63/17,978.33
  6. Step 6: Final answer
    x = 13,825.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.